C++

10.6    Types for Exceptions

What else can there be besides std::exception and everything that can be converted into it? In principle, you can use values of any type with throw. However, it is recommended to use the exception types from the standard library whenever possible.

If that is not possible, then use int, double, and string for throw.

// https://godbolt.org/z/67cd5bhhE#include <string>#include <iostream> // coutusing std::string; using std::to_string; using std::cout;void triggerError(int errorCase) {   try {       if(errorCase < 10) throw (int)errorCase;       else if(errorCase < 20) throw 1.0/(errorCase-10.0);       else throw string{"Error " + to_string(errorCase)};   } catch(int eval) {       cout << "int-error: " << eval << "\n";   } catch(double eval) { cout ...